Vendor
Microsoft Corporation
MA-L · 24-bit
40:12:77
Unicast · Universally administered (U/L bit clear)
- Matched prefix
40:12:77- Match
- MA-L assignment
- Address range
40:12:77:00:00:00 – 40:12:77:FF:FF:FF- Addresses in block
- 16,777,216
- Country
- US
- Organization address
- One Microsoft Way REDMOND WA US 98052
- First registered
- Apr 10, 2026
Formats
-
Plain hex
401277 -
Colon-separated
40:12:77 -
Hyphen-separated
40-12-77 -
Cisco dot notation
4012.77